:root {
  --ink: #102a33;
  --muted: #516a73;
  --blue: #087ac1;
  --green: #078b68;
  --green-dark: #046a51;
  --orange: #c84d00;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --border: #c7dfe8;
  --background: #eff9fc;
  --shadow: 0 18px 50px rgba(20, 55, 70, 0.11);
  --radius: 24px;
  color-scheme: light dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 90% 8%, rgba(41, 185, 136, 0.13), transparent 30rem),
    radial-gradient(circle at 8% 70%, rgba(0, 121, 201, 0.12), transparent 32rem),
    var(--background);
  font-size: 18px;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; }
a { color: var(--blue); text-underline-offset: 0.16em; }
a:hover { text-decoration-thickness: 0.14em; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: absolute; left: 1rem; top: -6rem; z-index: 100;
  background: var(--ink); color: white; padding: .8rem 1rem; border-radius: 12px;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--background) 88%, transparent);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}
.nav-wrap {
  max-width: 1120px; margin: auto; padding: .8rem 1.25rem;
  display: flex; align-items: center; gap: 1rem;
}
.brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--ink); text-decoration: none; font-weight: 850; }
.brand img { width: 42px; height: 42px; border-radius: 11px; box-shadow: 0 5px 14px rgba(0,0,0,.10); }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.nav-links a { color: var(--ink); text-decoration: none; font-weight: 700; font-size: .94rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--green-dark); }
.language-switch { display: flex; gap: .35rem; padding-left: .25rem; }
.language-switch a { padding: .35rem .55rem; border-radius: 999px; border: 1px solid transparent; }
.language-switch a[aria-current="true"] { border-color: var(--border); background: var(--surface); }

main { display: block; }
.container { max-width: 1120px; margin: auto; padding: 0 1.25rem; }
.hero { min-height: 72vh; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 4rem; padding: 5rem 0 4rem; }
.eyebrow { color: var(--green-dark); font-weight: 850; letter-spacing: .03em; text-transform: uppercase; font-size: .82rem; }
h1 { font-size: clamp(2.75rem, 7vw, 5.7rem); line-height: .98; letter-spacing: -.055em; margin: .6rem 0 1.25rem; }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.08; letter-spacing: -.035em; margin: 0 0 1rem; }
h3 { line-height: 1.25; margin: 0 0 .55rem; }
.lead { font-size: clamp(1.15rem, 2.3vw, 1.48rem); color: var(--muted); max-width: 43rem; }
.badges { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.5rem 0; }
.badge { background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: .45rem .75rem; font-weight: 750; font-size: .88rem; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.65rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: .8rem 1.15rem; border-radius: 16px; text-decoration: none; font-weight: 820; border: 2px solid transparent; }
.button.primary { color: white; background: linear-gradient(100deg, var(--blue), var(--green)); box-shadow: 0 12px 25px rgba(0, 126, 151, .21); }
.button.secondary { color: var(--ink); background: var(--surface); border-color: var(--border); }
.button.disabled { background: #dfe9ec; color: #556d75; box-shadow: none; cursor: default; }
.hero-visual { position: relative; justify-self: center; }
.app-icon { width: 124px; border-radius: 27%; box-shadow: 0 22px 45px rgba(9, 48, 62, .22); position: absolute; left: -2rem; top: 4rem; z-index: 2; }
.phone-shot { display: block; width: min(360px, 78vw); border-radius: 42px; border: 10px solid #132b34; box-shadow: var(--shadow); background: white; }

.section { padding: 5rem 0; }
.section.compact { padding: 3.5rem 0; }
.section-heading { max-width: 760px; margin-bottom: 2rem; }
.section-heading p { color: var(--muted); font-size: 1.08rem; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; box-shadow: 0 10px 30px rgba(20, 55, 70, .06); }
.card .symbol { font-size: 2rem; display: block; margin-bottom: .75rem; }
.card p, .muted { color: var(--muted); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3.2rem; align-items: center; }
.screenshot-card { background: var(--surface); padding: 1rem; border: 1px solid var(--border); border-radius: 34px; box-shadow: var(--shadow); max-width: 470px; justify-self: center; }
.screenshot-card img { border-radius: 24px; display: block; }
.feature-list { padding: 0; list-style: none; display: grid; gap: .9rem; }
.feature-list li { display: grid; grid-template-columns: 1.8rem 1fr; gap: .7rem; align-items: start; }
.feature-list li::before { content: "✓"; display: grid; place-items: center; width: 1.55rem; height: 1.55rem; margin-top: .15rem; border-radius: 50%; background: var(--green); color: white; font-size: .85rem; font-weight: 900; }
.callout { background: linear-gradient(120deg, #075e80, #07795d); color: white; border-radius: 30px; padding: clamp(1.7rem, 4vw, 3rem); }
.callout h2, .callout p { color: white; }
.callout p { max-width: 760px; opacity: .92; }

.page-hero { padding: 4rem 0 2.3rem; max-width: 840px; }
.page-hero h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
.content-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: clamp(1.25rem, 4vw, 2.4rem); box-shadow: var(--shadow); margin-bottom: 1.3rem; }
.content-card h2 { font-size: 1.75rem; margin-top: 1.7rem; }
.content-card h2:first-child { margin-top: 0; }
.content-card h3 { margin-top: 1.35rem; }
.notice { padding: 1rem 1.15rem; border-radius: 16px; border: 1px solid #e5bd6f; background: #fff5df; color: #533300; }
.good-notice { padding: 1rem 1.15rem; border-radius: 16px; border: 1px solid #9dcec0; background: #ebf8f4; color: #164d40; }
.config-missing { background: #fff0d5; border-radius: 6px; padding: 0 .25rem; color: #783c00; font-weight: 800; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 1rem 1.15rem; margin-bottom: .8rem; }
.faq summary { cursor: pointer; font-weight: 800; }
.faq details p { color: var(--muted); }
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.contact-item { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 1rem; overflow-wrap: anywhere; }

.site-footer { margin-top: 4rem; border-top: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 75%, transparent); }
.footer-wrap { max-width: 1120px; margin: auto; padding: 2.2rem 1.25rem; display: grid; grid-template-columns: 1fr auto; gap: 1.5rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem; align-content: start; }
.footer-links a { color: var(--ink); }
.small { font-size: .9rem; color: var(--muted); }

@media (max-width: 820px) {
  .nav-wrap { align-items: flex-start; }
  .nav-links { gap: .55rem; justify-content: flex-end; }
  .nav-links > a:not(.keep-mobile) { display: none; }
  .hero { grid-template-columns: 1fr; gap: 3rem; padding-top: 3rem; text-align: center; }
  .hero .lead { margin-inline: auto; }
  .badges, .actions { justify-content: center; }
  .hero-visual { order: -1; }
  .app-icon { width: 92px; left: -1rem; top: 3rem; }
  .cards { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 2rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-wrap { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  body { font-size: 17px; }
  .nav-wrap { padding-inline: .85rem; }
  .brand span { display: none; }
  .language-switch a { padding: .3rem .42rem; }
  .container { padding-inline: 1rem; }
  .hero { min-height: auto; padding-top: 2rem; }
  .phone-shot { border-width: 7px; border-radius: 32px; }
  .app-icon { left: -.5rem; }
  .button { width: 100%; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f2fbfd;
    --muted: #b5cbd2;
    --surface: rgba(15, 38, 47, .92);
    --surface-strong: #102832;
    --border: #345562;
    --background: #071a22;
    --green-dark: #68dcb9;
    --blue: #64bdea;
  }
  .notice { background: #3c2b0e; color: #ffe1aa; border-color: #7a5a25; }
  .good-notice { background: #0e352c; color: #c4f6e5; border-color: #286c59; }
  .button.disabled { background: #29414a; color: #a9bbc1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

@media print {
  .site-header, .actions, .site-footer { display: none; }
  body { background: white; color: black; font-size: 12pt; }
  .content-card { box-shadow: none; border: 0; padding: 0; }
}